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A Method for Regulating the Morphology of Amino Acid/Rare Earth Coordination Polymer Using Surfactant

A technology of surfactants and coordination polymers, applied in the field of preparation of rare earth luminescent materials, to achieve the effects of low cost, good biocompatibility, and easy morphology

Inactive Publication Date: 2017-11-14
JIANGXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the controllable adjustment of rare earth coordination polymers by surfactants has not been reported so far.

Method used

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  • A Method for Regulating the Morphology of Amino Acid/Rare Earth Coordination Polymer Using Surfactant
  • A Method for Regulating the Morphology of Amino Acid/Rare Earth Coordination Polymer Using Surfactant
  • A Method for Regulating the Morphology of Amino Acid/Rare Earth Coordination Polymer Using Surfactant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The method for regulating the morphology of amino acid / rare earth coordination polymer (Tb / Phe) by cationic surfactant, the method steps are:

[0017] (1) Prepare terbium nitrate (Tb(NO 3 ) 3 ) and phenylalanine (Phe) aqueous solution.

[0018] (2) Add 2 mL of phenylalanine aqueous solution to 8 mL of N,N'-dimethylformamide (DMF) and mix well.

[0019] (3) Under constant stirring, 2 mL of 25 mM Tb(NO 3 ) 3 The aqueous solution was added to the above mixture, and mixed at room temperature.

[0020] (4) Add 5 mg of CTAB to the above Tb(NO 3 ) 3 and Phe, the total volume of the reaction was 12 mL.

[0021] (5) After the mixture was sonicated until it became transparent, the reaction was continued to stir at room temperature for 20 min. Then, the mixture was transferred to a polytetrafluoroethylene-lined reactor and reacted at 150 °C for 24 h.

[0022] (6) After natural cooling at room temperature, centrifuge to collect the white precipitate produced by the reactio...

Embodiment 2

[0025] The method for regulating the morphology of amino acid / rare earth coordination polymer (Tb / Phe) by anionic surfactant, the method steps are:

[0026] (1) Prepare terbium nitrate (Tb(NO 3 ) 3 ) and phenylalanine (Phe) aqueous solution.

[0027] (2) Add 2 mL of phenylalanine aqueous solution to 8 mL of N,N'-dimethylformamide (DMF) and mix well.

[0028] (3) Under constant stirring, 2 mL of 25 mM Tb(NO 3 ) 3 The aqueous solution was added to the above mixture, and mixed at room temperature.

[0029] (4) Add 5 mg of SDS to the above Tb(NO 3 ) 3 and Phe, the total volume of the reaction was 12 mL.

[0030] (5) After the mixture was sonicated until it became transparent, the reaction was continued to stir at room temperature for 20 min. Then, the mixture was transferred to a polytetrafluoroethylene-lined reactor and reacted at 150 °C for 24 h.

[0031] (6) After natural cooling at room temperature, centrifuge to collect the white precipitate produced by the reaction ...

Embodiment 3

[0034] The method for regulating the morphology of amino acid / rare earth coordination polymer (Tb / Phe) by nonionic surfactant, the method steps are:

[0035] (1) Prepare terbium nitrate (Tb(NO 3 ) 3 ) and phenylalanine (Phe) aqueous solution.

[0036] (2) Add 2 mL of phenylalanine aqueous solution to 8 mL of N,N'-dimethylformamide (DMF) and mix well.

[0037] (3) Under constant stirring, 2 mL of 25 mM Tb(NO 3 ) 3 The aqueous solution was added to the above mixture, and mixed at room temperature.

[0038] (4) Add 5 mg of PVP to the above Tb(NO 3 ) 3 and Phe, the total volume of the reaction was 12 mL.

[0039] (5) After the mixture was sonicated until it became transparent, the reaction was continued to stir at room temperature for 20 min. Then, the mixture was transferred to a polytetrafluoroethylene-lined reactor and reacted at 150 °C for 24 h.

[0040] (6) After natural cooling at room temperature, centrifuge to collect the white precipitate produced by the reaction...

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Abstract

The invention provides a method for regulating the morphology of the amino acid / rare earth coordination polymer by using a surfactant. Due to the difference in charge of the surfactant itself, its adsorption or coordination mode with rare earth ions or amino acids is also different, so that the morphology of the amino acid / rare earth coordination polymer can be changed from that without surfactants under hydrothermal conditions. The drum shape to the disc, dumbbell and prism. The method has the advantages of simple operation, low price of the surfactant, and obvious effect of regulating the morphology of the rare earth coordination polymer.

Description

technical field [0001] The invention relates to a method for controllably adjusting the morphology of rare earth coordination polymers, in particular to a method for regulating the morphology of amino acid / rare earth coordination polymers by using surfactants with different charge types, and belongs to the field of rare earth luminescent material preparation. Background technique [0002] Coordination polymers are bridged by metal ions and organic ligand molecules through chemical coordination. Like traditional rare earth complexes, rare earth coordination polymers also have the unique fluorescence properties of rare earth ions, such as high luminous efficiency, large Stokes shift, long fluorescence lifetime and anti-photobleaching. It has great application prospects in phase catalysis, optics, magnetism and so on. [0003] Biomolecules are widely used in the preparation of coordination polymers due to their good biocompatibility and low price. Among the reported biomolecu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F5/00C09K11/06
CPCC07C227/00C07C229/76C09K11/06C09K2211/182
Inventor 谭宏亮马婵娇付正
Owner JIANGXI NORMAL UNIV
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